CN108081448B

CN108081448B - Production process of integrally decorated and electromechanical prefabricated GRC formwork structural column

Info

Publication number: CN108081448B
Application number: CN201711304124.9A
Authority: CN
Inventors: 姜绍杰; 张宗军; 姚大伟; 陈长林; 齐华伟; 王真理; 杨强
Original assignee: Anhui Hailong Construction Industry Co Ltd
Current assignee: Anhui Hailong Construction Industry Co Ltd
Priority date: 2017-12-11
Filing date: 2017-12-11
Publication date: 2020-11-10
Anticipated expiration: 2037-12-11
Also published as: CN108081448A

Abstract

The invention discloses a production process of a prefabricated GRC formwork structure column integrating decoration and electromechanics, which comprises the following specific steps: cleaning a GRC column mounting base, and mounting a bottom edge sealing template; after the GRC decorative shell is inspected to be qualified, the GRC decorative shell is lifted to the periphery of the reinforcement cage by a crane; plugging a gap between the GRC formwork shell and the bottom edge sealing formwork by using glass sealant, and performing antifouling protection on a steel bar at the top of a steel bar cage by using a plastic film; pouring concrete to the bottom inside the GRC formwork shell by using a blanking conduit to obtain a GRC decorative structure column; and (3) after the GRC decorative structure column is maintained to reach the strength of 75% of the design requirement, removing the formwork and lifting, removing the L-shaped steel anchor ear and the temporary inclined strut, lifting the L-shaped steel anchor ear and the temporary inclined strut to a specified finished product storage area by a crane, completing subsequent maintenance operation, and obtaining a product after the finished product is qualified. The invention has the advantages of low cost, high construction efficiency and the like.

Description

Production process of integrally decorated and electromechanical prefabricated GRC formwork structural column

Technical Field

The invention relates to the field of structural column production, in particular to a production process of a prefabricated GRC formwork structural column integrating decoration and electromechanics.

Background

In recent years, the novel assembly type concrete industrialized building enters a high-speed development period under the positive propulsion of the government by virtue of the characteristics of environmental protection, energy conservation, consumption reduction, high construction efficiency, short construction period, easy guarantee of the quality of factory operation and the like, and a sound standard system is provided in 'guidance suggestion about the vigorous development of the assembly type building' published by the State Council of 2016 and 9 months; innovating assembly type building design; optimizing production of parts; lifting the assembly type construction level; promoting the complete decoration of the building; green building materials are popularized; carrying out general engineering contract; the engineering quality safety is ensured.

At present, the traditional GRC formwork structure column is complex in production process, low in construction efficiency and high in construction cost, the construction site is polluted greatly, the green environmental protection performance is poor, and effective improvement is needed.

Disclosure of Invention

The invention aims to solve the defects of low construction efficiency and high construction cost in the prior art, and provides a production process of a prefabricated GRC formwork structural column integrating decoration and electromechanics to solve the problems.

In order to achieve the purpose, the technical scheme of the invention is as follows: the invention discloses a production process of a prefabricated GRC formwork structure column integrating decoration and electromechanics, which comprises the following specific steps:

cleaning a GRC column mounting base to ensure that the surface of the mounting base is clean and smooth and has no concrete residues, uniformly coating demoulding oil and no accumulated oil on the surface of the GRC column mounting base, using a travelling crane to hoist a finished product reinforcement cage onto the GRC column mounting base, temporarily fixing a reserved hole position on the GRC column mounting base and a reinforcement cage bottom grouting sleeve through a fastening bolt, thoroughly fixing the fastening bolt at the bottom of the mounting base after checking the verticality of the reinforcement cage, mounting an embedded part on the reinforcement cage, checking that a grouting hole, a grout outlet and an exhaust hole position of the finished product reinforcement cage grouting sleeve are communicated, and then mounting a bottom edge sealing template;

step two, after the GRC decorative shell is inspected to be qualified, the GRC decorative shell is lifted to the periphery of a reinforcement cage by a crane, the reinforcement cage is surrounded inside the GRC decorative shell, the thickness of a concrete column reinforcement protective layer is controlled to be 25-35mm, and L-shaped steel hoops and temporary diagonal braces are sequentially arranged, installed and fixed from bottom to top according to a preset interval;

thirdly, plugging a gap between the GRC decorative shell and the bottom edge sealing template by using glass sealant, and performing antifouling protection on the top steel bars of the steel bar cage by using a plastic film;

step four, concrete is transported through an automatic material distribution vehicle, concrete is poured to the bottom inside the GRC decorative shell through a blanking guide pipe, meanwhile, the falling depth is not more than 300mm each time, the concrete is densely distributed through a fine vibrating rod, the compactness of the concrete is guaranteed, after the whole column body is poured, the cut insulation board is pressed into the column top concrete to form a top key groove, then, a retarder is uniformly coated on the column top concrete, after maintenance, a top rough surface is formed through water washing of a high-pressure water gun, and the GRC decorative structure column is obtained;

and fifthly, after the GRC decorative structure column is maintained to reach the strength of 75% of the design requirement, removing the formwork and lifting, removing the L-shaped steel anchor ear and the temporary inclined strut, lifting the L-shaped steel anchor ear and the temporary inclined strut to a designated finished product storage area by a crane, completing subsequent maintenance operation, and obtaining a product after the finished product is qualified.

Preferably, in the first step, the embedded part comprises a hanging ring, an embedded 86 wire box, an electromechanical pipeline and a lug for M16 diagonal bracing.

Preferably, in the fourth step, when the concrete is vibrated by the vibrating rod, the concrete is not excessively vibrated until the surface of the concrete is not remarkably sunk and bubbles are not generated and mortar is spread on the surface, so as to prevent the concrete from bleeding.

Compared with the prior art, the invention has the following advantages:

GRC formwork structure post is a neotype assembled frame structure post production mode, compares with traditional reinforced concrete frame structure post construction:

1. simplifying the working procedures, shortening the construction period and reducing the cost

The GRC formwork decorative structure column can save links of binding reinforcing steel bars and erecting formworks on the traditional construction site; the industrial standing type production process improves the construction efficiency, saves the later on-site decoration link and accelerates the construction progress; industrialized and mechanized construction, simplified field work and worker quantity, reduced comprehensive construction cost,

2. the construction environment is safe and comfortable, and the product quality is easy to ensure

Compared with the traditional construction, the climbing, lifting and open-air operation in the processes of binding the reinforcing steel bars and erecting the template are avoided, the links of high-altitude operation are reduced, and the operation safety and comfort are improved; the floor type steel binding process has the advantages that the operation of workers is convenient and comfortable, the labor intensity of construction is reduced, factory concrete stirring, automatic distributing vehicle conveying and blanking, upright pouring and vibrating construction and advanced finished product maintenance process are realized, and the production quality of prefabricated components of the fabricated building is obviously improved;

3. synchronous decoration and structure, environmental protection and beautiful use

On one hand, the GRC formwork serves as an outer formwork of the structural column in the production stage, and on the other hand, the GRC formwork serves as an outer decoration layer in the later use process, and the decoration and the structure are formed by pouring and vibrating at one time, so that the bonding area and the bonding strength of the decoration layer and the surface of the concrete structural column can be remarkably improved, the combination of the decoration layer and the surface of the concrete structural column is firmer and more durable, the late secondary decoration is avoided, the field wet operation is reduced, the consumption of the formwork and water resources is reduced, the noise pollution is; the GRC material has the characteristics of light weight, high strength, no deformation, impact resistance, moisture resistance, stable fireproof performance, good plasticity, easy repair, high utilization rate and the like, and the GRC formwork is used as the outer decoration of the structural column to replace the traditional marble or veneer coating for decoration, so that the later-stage decoration and use effect is good.

Drawings

FIG. 1 is a schematic view of an apparatus structure in a production process of a container decoration and electromechanical integrated prefabricated GRC formwork structural column of the present invention;

FIG. 2 is a schematic view of a top view of the apparatus used in the process for manufacturing a container-decorated, electromechanical prefabricated GRC formwork structural column of the present invention;

fig. 3 is a schematic view of a partially enlarged structure of equipment in a production process of a container decoration and electromechanical integrated prefabricated GRC formwork structural column.

The reference signs are: GRC decorative structure post 1, steel reinforcement cage 2, grout sleeve 3, GRC decorates shell 4, installation base 5, L shaped steel staple bolt 6, interim bracing 7, bottom banding template 8.

Detailed Description

So that the manner in which the above recited features of the present invention can be understood and readily understood, a more particular description of the invention, briefly summarized above, may be had by reference to embodiments, some of which are illustrated in the appended drawings, wherein:

example 1

Referring to fig. 1-3, the invention discloses a production process of a prefabricated GRC formwork structural column integrating decoration and electromechanics, which comprises the following specific steps:

cleaning a GRC column mounting base 5 to ensure that the surface of the mounting base 5 is clean and smooth and has no concrete residues, uniformly coating demoulding oil and no accumulated oil on the surface of the GRC column mounting base 5, hoisting a finished product reinforcement cage 2 to the GRC column mounting base 5 with the size of 1100mm in length, 1100mm in width and 450mm in height by utilizing a travelling crane, temporarily fixing a reserved hole position on the GRC column mounting base 5 and a grouting sleeve 3 at the bottom of the reinforcement cage 2 by using a fastening bolt, thoroughly fixing the fastening bolt at the bottom of the mounting base 5 after checking the verticality of the reinforcement cage 2, mounting an embedded part on the reinforcement cage 2, checking that a grouting hole, a grout outlet and an exhaust hole position of the grouting sleeve 3 of the finished product reinforcement cage 2 are communicated, and then mounting a bottom edge sealing template 8 with the length of 680mm in width and 200 mm;

step two, after the GRC decorative shell 4 with the thickness of 700mm 4300mm is inspected to be qualified, the GRC decorative shell 4 is lifted to the periphery of the reinforcement cage 2 by a travelling crane, the reinforcement cage 2 is surrounded in the GRC decorative shell 4, the thickness of the reinforcement protective layer of the concrete column 1 is controlled to be 30mm, and the L-shaped steel anchor ears 6 and the temporary inclined struts 7 are sequentially arranged, installed and fixed from bottom to top according to a preset interval;

thirdly, plugging a gap between the GRC decorative shell 4 and the bottom edge sealing template 8 by using glass sealant, and performing antifouling protection on the top steel bars of the steel bar cage 2 by using a plastic film;

step four, concrete is transported through an automatic material distribution vehicle, concrete is poured to the bottom inside the GRC decorative shell 4 through a blanking guide pipe, meanwhile, the falling depth is not more than 300mm each time, and the concrete is tightly distributed through a fine vibrating rod, so that the compactness of the concrete is guaranteed, after the whole column body is poured, the cut insulation board is pressed into the column top concrete to form a top key groove, then the retarder is uniformly coated on the column top concrete, after maintenance, a top rough surface is formed through water washing of a high-pressure water gun, and the GRC decorative structural column 1 is obtained;

and fifthly, after the GRC decorative structure column 1 is maintained to reach the strength of 75% of the design requirement, removing the mold and lifting, removing the L-shaped steel anchor ear 6 and the temporary inclined strut 7, lifting the L-shaped steel anchor ear and the temporary inclined strut to a specified finished product storage area by a crane, completing subsequent maintenance operation, and obtaining a product after the finished product is qualified.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a collection dress decorations, electromechanical prefabricated GRC formwork structure post production technology as an organic whole which characterized in that: the method comprises the following specific steps:

cleaning a GRC column mounting base (5), ensuring that the surface of the mounting base (5) is clean and smooth and has no concrete residues, uniformly coating mould oil and no accumulated oil on the surface of the GRC column mounting base (5), hoisting a finished product reinforcement cage (2) onto the GRC column mounting base (5) by utilizing a travelling crane, temporarily fixing a reserved hole position on the GRC column mounting base (5) and a grouting sleeve (3) at the bottom of the reinforcement cage (2) through a fastening bolt, thoroughly fixing the fastening bolt at the bottom of the mounting base (5) after checking the verticality of the reinforcement cage (2), mounting an embedded part on the reinforcement cage (2), checking that a grouting hole, a grout outlet and an exhaust hole position of the finished product reinforcement cage (2) grouting sleeve (3) are communicated, and then mounting a bottom edge sealing template (8);

step two, after the GRC decorative shell (4) is inspected to be qualified, the GRC decorative shell (4) is lifted to the periphery of the reinforcement cage (2) by a travelling crane, the reinforcement cage (2) is surrounded in the GRC decorative shell (4), the thickness of a reinforcement protection layer of the concrete column (1) is controlled to be 25-35mm, and L-shaped steel hoops (6) and temporary inclined struts (7) are sequentially arranged, installed and fixed from bottom to top according to preset intervals;

thirdly, plugging a gap between the GRC decorative shell (4) and the bottom edge sealing template (8) by using glass sealant, and performing antifouling protection on the steel bar at the top of the steel bar cage (2) by using a plastic film;

step four, concrete is transported through an automatic material distribution vehicle, concrete is poured to the bottom inside the GRC decorative shell (4) through a blanking guide pipe, meanwhile, the falling depth is not more than 300mm each time, the concrete is compacted through a fine vibrating rod, the concrete is uniformly distributed, the compactness of the concrete is guaranteed, after the whole column body is poured, the cut insulation board is pressed into the column top concrete to form a top key groove, then the retarder is uniformly coated on the column top concrete, after maintenance, a top rough surface is formed through water washing of a high-pressure water gun, and the GRC decorative structural column (1) is obtained;

and fifthly, after the GRC decorative structure column (1) is maintained to reach the strength of 75% of the design requirement, removing the formwork and lifting, removing the L-shaped steel anchor ear (6) and the temporary inclined strut (7), lifting the L-shaped steel anchor ear and the temporary inclined strut to a designated finished product storage area by a crane, completing subsequent maintenance operation, and obtaining a product after the finished product is qualified.

2. The process of claim 1 for producing a prefabricated GRC formwork structural column integrated with decoration and mechanics, wherein: in the first step, the embedded part comprises a hanging ring (3), an embedded 86 wire box, an electromechanical pipeline and a lug for M16 diagonal bracing.

3. The process of claim 1 for producing a prefabricated GRC formwork structural column integrated with decoration and mechanics, wherein: in the fourth step, when the concrete is vibrated by the vibrating rod, the concrete surface does not obviously sink and bubble does not appear any more until mortar is spread on the surface, and excessive vibration cannot be carried out so as to prevent the concrete from bleeding.